Definition of "scampsman"

Now Oliver puts his blank nightcap on,¶ And every star its glim is hiding,¶ And forth to the heath is the scampsman gone,¶ His matchless cherry-black prancer riding;

1834, William Harrison Ainsworth, Rookwood, The Game of High Toby

Up comes some saucy kiddy, a scampsman on the hot, / But ere he pulls the trigger I am off just like a shot.

1846, James Henry, ed. Dixon, “The Trotting Horse”, in Scottish Traditional Versions of Ancient Ballads, page 244